Xadheswe l layer

ABSTRACT

A PRINT-OUT IMAGE-FORMING LAYER ON AN EASILY CUT AND STRIPPED ADHESIVE BACKED SUPPORT MAY BE USED ON THE BACK SIDE OF A RELIEF PRINTING PLATE TO PROVIDE A MAKEREADY MEANS FOR ADJUSTING PRESSURE ON PRINTING AREAS OF A PRINTING PLATE. A METHOD FOR FORMING THE MAKEREADY COMPRISES COATING A LIGHT-SENSITIVE, PREFERABLY PRINT-OUT, COMPOSITION IN A FILM-FORMING VEHICLE ON ONE SIDE OF A SUPPORT AND AN ADHESIVE ON THE OPPOSITE SIDE, ADHERING THE ADHESIVE SIDE OF THE SUPPORT TO THE BACK SIDE OF A PRINTING PLATE, EXPOSING THE LIGHT-SENSITIVE COMPOSITION IN REGISTER WITH THE PRINTING PLATE RELIEF IMAGE AND UTILIZING THE IMAGE IN THE SENSITIVE COMPOSITION AS A GUIDE FOR REMOVAL OF THE FILM FROM NON-IMAGE AREAS.

DEFENSiVE PULlCATlQN UNITED STATES PATIENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED AUGUST 31, 1971 ll ;\\\\\\\\w ADHESIVE LAYER P/W/VT- DU T COMPOSITION IMAGE SUBS/IVE LAYER ESTER LAYER SUPPORT LAYER L4 YER SUP/" ET A print-out image-forming layer on an easily cut and stripped adhesive backed support may be used on the "back side of a relief printing plate to provide a makeready means for adjusting pressure on printing areas of a printing plate. A method for forming the makeready comprises coating a light-sensitive, preferably print-out, composition in a film-forming vehicle on one side of a support and an adhesive on the opposite side, adhering the adhesive side or" the support to the back side of a printing plate, exposing the light-sensitive composition in register with the printing plate relief image and utilizing the image in the sensitive composition as a guide for removal of the film from non-image areas.

Aug. 31, 1971 c, sTAEHLE ETAL T889,03

' MAKEREADY METHODS AND PRINTING PLATES UTILIZING SAID MAKEREADY Filed larch s. 1970 ADHESIVE LAYER /2 #W su/wmr I3 \\\\\\\\\\\\\+-PR//vrour COMPOSITION a a a RELIEF IMAGE l7 -T v SURE/N6 LAYER cELLuL0sE EsrER LAYER SUPPOR T /5 ADHESIVE LAYER l3 PHI N 7- OUT COMPOS/ T/OIV FIG: 2

HENRY 6. STAEHLE DOUGLAS 6. BURDEN JAMES 6. MIVALLY,JR.

INVENTORS LM E ArroR/vEY 

